by Q. With reference to ‘Direct Air Capture’, an emerging technology, which of the following statements is/are correct?
UPSC Civil Services Examination (Prelims) 2025 – General Studies Paper I
I. It can be used as a way of carbon sequestration.
II. It can be a valuable approach for plastic production and in food processing.
III. In aviation, it can be a source of carbon for combining with hydrogen to create synthetic low-carbon fuel.
Select the correct answer using the code given below:
(a) I and II only
(b) II only
(c) I, II and III
(d) None of the above statements is correct
Answer: (c) I, II and III
Explanation:
- Direct Air Capture (DAC) removes CO₂ directly from the atmosphere.
- Captured CO₂ can be:
- Stored underground (carbon sequestration)
- Used to make plastics or beverages
Combined with hydrogen to make synthetic fuels (e.g., in aviation)
Thus, all three statements are valid.
Answer: (c) I, II and III
